Our classroom is very clean. Do you know who＿＿＿cleaned it?
| A．was it that | B．it was that | C．was it who | D．he was |
I send you 100 dollars today, the rest _______ in a year.
| A．follows | B．followed | C．to follow | D．being followed |
Taking a plane is the quickest _______ to get to Tibet.
| A．mode | B．manner | C．means | D．method |
Though he is a(n) _______ worker, he works very hard.
| A．ordinary | B．common | C．usual | D．general |
_______ two exams to worry about, I have to work really hard this weekend.
| A．With | B．Besides | C．As for | D．Because of |
The hospital is _______ tests to find out what’s wrong with the little boy.
| A．carrying out | B．carrying forward | C．making up | D．making out |